many ways to rip it off. >> on november 6, 1989, tina was working the night shift at a fast-food restaurant. according to the isas, tina arrived home at midnight and there was an argument. tina said she wanted to live on her own and demanded her parents give her $5,000 to support herself. when they refused, they say tina pulled a knife from her backpack and threatened them. in the tussle, zein said he turned the knife on his daughter in self-defense. >> the father was saying it was self-defense. the wife was saying, yes, it was self-defense. i was standing there watching it. so the only two witnesses to the crime had their stories kind of get together that their daughter had attacked them and then in defending themselves, the father killed her. >> news of tina isa's death stunned her friends and classmates.